<template>
	<view class="goods-list">
		<view v-for="(item,i) in goodsList" :key="i" @click="gotoDetail(item)">
			<my-goods :goods="item"></my-goods>
		</view>
	</view>
</template>

<script>
	
	export default {
		
		data() {
			return {
				
				  queryObj: {
				      // 查询关键词
				      query: '',
				      // 商品分类Id
				      cid: '',
				      // 页码值
				      pagenum: 1,
				      // 每页显示多少条数据
				      pagesize: 10
				    },
					goodsList: [],
					total: 0,
					defaultPic: 'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png',
			        
					isloading:false
			}
		},
		onLoad(options) {
			this.queryObj.query = options.query || ''
			this.queryObj.cid = options.cid || ''
			
			this.getGoodsList()
		},
		onReachBottom() {
			  if (this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return uni.$showMsg('数据加载完毕！')
			
			if(this.isloading) return
			this.queryObj.pagenum +=1
			this.getGoodsList()
		},
		onPullDownRefresh() {
		  // 1. 重置关键数据
		  this.queryObj.pagenum = 1
		  this.total = 0
		  this.isloading = false
		  this.goodsList = []
		
		  // 2. 重新发起请求
		  this.getGoodsList(() => uni.stopPullDownRefresh())
		},
		methods: {
			async getGoodsList(cb){
				// 打开节流阀
				this.isloading = true
				 const { data: res } = await uni.$http.get('/api/public/v1/goods/search', this.queryObj)
				  this.isloading = false  
				  // 只要数据请求完毕，就立即按需调用 cb 回调函数
				  cb && cb()
				  
					if (res.meta.status !== 200) return uni.$showMsg()
				    // 为数据赋值
				    // this.goodsList = res.message.goods
					this.goodsList = [...this.goodsList,...res.message.goods]
				    this.total = res.message.total
			},
			gotoDetail(item){
				uni.navigateTo({
					  url: '/subpkg/good_details/good_details?goods_id=' + item.goods_id
				})
			}
		}
	}
</script>

<style lang="scss">
 
</style>
